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Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Nov. 30, 2017 | Nov. 30, 2016 | Nov. 30, 2015
Reconciliation of Unrecognized Tax Benefits [Roll Forward] |  |  |
Balance, beginning of year | $ 7,046 | $ 4,779 | $ 1,711
Tax positions related to current year | 785 | 1,106 | 107
Tax positions related to a prior period | (120) |  |
Tax positions related to a prior period |  | 1,638 | 0
Settlements with tax authorities | (155) | (21) | (39)
Tax positions acquired | 0 | 0 | 4,464
Lapses due to expiration of the statute of limitations | (36) | (456) | (1,464)
Balance, end of year | $ 7,520 | $ 7,046 | $ 4,779

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. + References No definition available. + Details
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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